Funding for this research was provided by:
Medical Scientific Research Foundation of Guangdong Province (A2020420)
Key Laboratory of Philosophy and Social Sciences of Colleges and Universities in Guangdong Province: Public Health Policy Research &Evaluation (2015WSY0010)
Public Health Service System Construction Research Foundation of Guangzhou (2018-2020)
Major Program of National Social Science Foundation of China (15ZDC037)
Article History
Received: 12 February 2018
Accepted: 14 September 2020
First Online: 21 October 2020
Ethics approval and consent to participate
: This study was approved by the institutional ethical review board (IERB) of the First Affiliated Hospital of Shihezi University, School of Medicine of Xinjiang Autonomous Region (IERB ID No.2014–062-01). Informed consent form was obtained from all participants, permissions of participants were acquired by the research team to access the data used in this study.
: Not applicable.
: The authors declare that they have no competing interests.